/**
 * KopsoxFramework
 * Copyright (C) 2010 Free Software Foundation, Inc. <http://fsf.org/>
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kopsox.validation;

import java.util.Collection;
import java.util.List;

import org.kopsox.comm.message.ErrorMessage;
import org.kopsox.comm.message.ValueMessage;


/**
 * Each Value wich should be validateable must implement this interface
 * 
 * @author Konrad Renner
 *
 */
public interface Validateable {

	/**
	 * Registers a Validator
	 * 
	 * @param validator
	 */
	public void addValidator(final Validator validator);
	
	/**
	 * Registers  Validators
	 * 
	 * @param validator
	 */
	public void addAllValidators(final Collection<Validator> validator);
	
	/**
	 * Removes a Validator
	 * 
	 * @param validator
	 */
	public void removeValidator(final Validator validator);
	
	/**
	 * Gets all registered Validator
	 * 
	 * @return Collection<Validator>
	 */
	public Collection<Validator> getAllValidators();
	
	/**
	 * This method invokes each Validator, which was registered with the addValidator-Method
	 *
	 * @param message - ValueMessage
	 * @return boolean - true if validation was ok
	 */
	public boolean notifyValidators(ValueMessage message);
	
	/**
	 * Returns all Errors from Validations
	 * 
	 * @return List<ErrorMessage>
	 */
	public List<ErrorMessage> getValidationErrors();
}
